﻿#region Header
// ------------------------ Licence / Copyright ------------------------
// 
// ScrumTable for Scrum Meeting Support
// Copyright © HSR - Hochschule für Technik Rapperswil
// All Rights Reserved
// 
// Author:
//  Michael Gfeller Silvan Gehrig Patrick Boos
// 
// ---------------------------------------------------------------------
#endregion

#region Usings

using System;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;
using ScrumTable.Config.UserManagement;
using ScrumTable.DL.Data;
using ScrumTable.DL.Data.Common;
using ScrumTable.DL.Data.Common.Config.Schema;
using ScrumTable.UI.ViewModel;
using ScrumTable.UI.ViewModel.Data;

#endregion

namespace ScrumTable.UI.View.Converter
{

    /// <summary>
    /// string -> DataAssembly
    /// </summary>
    [ValueConversion(typeof(string), typeof(IDataSchemaSource))]
    public class SchemaConverter : IValueConverter
    {

        #region Methods
        //--------------------------------------------------------------------
        // Methods
        //--------------------------------------------------------------------
        /// <summary>
        /// Converts string -> IDataSchemaSource
        /// </summary>
        /// <param name="value">The value produced by the binding source.</param>
        /// <param name="targetType">The type of the binding target property.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
                return null;

            return ScrumViewModelData.GetSchema(value.ToString());
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (!(value is IDataSchemaSource))
                return null;

            var schemaSource = (IDataSchemaSource)value;
            return schemaSource.Name;
        }

       
        #endregion
    }
}
